EntityQ6711969· pop 5· linked from 13 articlesM-1Sign in to savelargest rocket engine to be designedConnectionsRS-25EntityUnited StatesCountryMarsEntityJohn F. KennedyPersonheliumEntityDwight D. EisenhowerPersonNASAConceptpressureEntitynewtonEntityWernher von BraunEntitySpace ShuttleEntityApollo programConceptUnited States Air ForceEntityUnited States ArmyEntitystainless steelEntitymetric horsepowerEntitylow Earth orbitEntitySaturn VEntityliquid oxygenEntityliquid hydrogenEntityCategoriesRocket engines of the United StatesRocket engines using hydrogen propellantRocket engines using the gas-generator cycle